Mr Jon Olson-Welsh > Keystone Law > London, England > Lawyer Profile
Keystone Law Offices
48 CHANCERY LANE
LONDON
WC2A 1JF
England
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Mr Jon Olson-Welsh
Work Department
Construction/ Engineering
Position
Jon specialises in construction and engineering law, with a specific focus on procurement and tendering advice and the drafting of construction and engineering contracts. His experience includes drafting and advising on all aspects of national and international construction and engineering contracts, using bespoke and standard forms such as FIDIC, IChemE, NEC and JCT. Jon advises developers, lenders, contractors and consultants in a variety of sectors, including office, leisure, retail and residential schemes.
Jon’s international work has included advising on construction and engineering contracts for infrastructure, mining and energy projects in various countries, including the UK, Afghanistan, Panama, Kuwait, Egypt, Kenya and New Mexico.
Memberships
Recognised by The Legal 500 2022 as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2021 as a ‘Next Generation Partner’ for Construction
“Attentive and knowledgeable.” The Legal 500 2021
Recognised by The Legal 500 2020 as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2020 for Infrastructure
Lawyer Rankings
London > Real estate > Construction: contentious
Keystone Law‘s team benefits from the firm’s network of offices and remote workers, offering clients comprehensive service. Louise Elmes is noted for her particular expertise in construction related professional negligence matters. Recent additions to the team include Jon Olson-Welsh, who joined from Mayer Brown International LLP in May 2022, and Ed John, an April 2022 addition from Howard Kennedy LLP.
Lawyer Rankings
Top Tier Firm Rankings
- Dispute resolution > Commercial litigation: mid-market
- Finance > Transport finance and leasing
- Employment > Employees/unions
- Insurance > Professional negligence
- Corporate and commercial > International business reorganisations
- Private client > Court of protection
- Private client > Charities and not-for-profit
- Crime, fraud and licensing > Licensing
- Public sector > Healthcare
- Real estate > Construction: non-contentious
- Real estate > Residential property
Firm Rankings
- Employment > Senior executives
- Crime, fraud and licensing > Gaming and betting
- Finance > Islamic finance
- TMT (technology, media and telecoms) > Media: Film & TV
- TMT (technology, media and telecoms) > Media: Music
- Insurance > Product liability: defendant
- Transport > Travel
- Private client > Art and cultural property
- Transport > Aviation
- Real estate > Commercial property: corporate occupiers
- Private client > Family
- Crime, fraud and licensing > Fraud: civil
- Insurance > Insurance and reinsurance litigation
- Corporate and commercial > M&A: Smaller Deals, £10m-£100m
- Corporate and commercial > Partnership
- Employment > Pensions (non-contentious)
- Insurance > Personal injury: defendant
- Projects, energy and natural resources > Power (including electricity, nuclear and renewables)
- Transport > Shipping
- Finance > Bank lending: investment grade debt and syndicated loans
- Real estate > Construction: contentious
- Employment > Employers
- Employment > Immigration
- TMT (technology, media and telecoms) > Intellectual property: trade marks, copyright and design
- Projects, energy and natural resources > Oil and gas
- Private client > Personal tax, trusts and probate
- Real estate > Planning
- Real estate > Property litigation
- TMT (technology, media and telecoms) > Reputation management
- Corporate and commercial > Venture capital
- TMT (technology, media and telecoms) > Intellectual property: patents (contentious and non-contentious)
- TMT (technology, media and telecoms) > Sport
- Dispute resolution > Professional discipline
- Insurance > Insurance litigation: for policyholders
- Private client > Agriculture and estates
- Insurance > Clinical negligence: defendant